import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.DepthTest;
import javafx.scene.Group;
import javafx.scene.PerspectiveCamera;
import javafx.scene.Scene;
import javafx.scene.control.TabBuilder;
import javafx.scene.control.TabPane;
import javafx.scene.input.MouseEvent;
import javafx.scene.paint.Color;
import javafx.scene.shape.RectangleBuilder;
import javafx.scene.text.Font;
import javafx.scene.text.TextBuilder;
import javafx.scene.transform.Rotate;
import javafx.stage.Stage;

/**
 * Basic example of 3D scene embedded in a tab pane and without a tab pane.
 * 
 */
public class TabPane3DProblems extends Application {

	private final boolean useTabPane = false;

	/**
	 * Default Constructor
	 */
	public TabPane3DProblems() {

	}

	@Override
	public void start(Stage stage) throws Exception {

		stage.setTitle("Depth buffer problems");
		stage.setScene(createScene());
		stage.show();

	}

	private Scene createScene() {

		Color[] colors = new Color[] { Color.RED, Color.GREEN, Color.BLUE };
		final Group shapes = new Group();
		shapes.setDepthTest(DepthTest.ENABLE);

		for (int i = 0; i < colors.length; i++) {
			Color color = colors[i];
			double z = i * 50;
			shapes.getChildren().add(
					RectangleBuilder.create().fill(color).width(100)
							.height(100).translateZ(z)
							.depthTest(DepthTest.ENABLE).build());

			shapes.getChildren().add(
					TextBuilder.create().text("Foo bar " + i)
							.font(Font.font("Arial", 16)).layoutX(20)
							.layoutY(40).translateZ(z - 5)
							.depthTest(DepthTest.ENABLE).build());
		}

		shapes.setTranslateZ(100); // push back so camera can see everything

		final Group root = new Group();
		root.setDepthTest(DepthTest.ENABLE);
		root.getChildren().add(shapes);

		Scene scene = null;

		if (useTabPane) {
			TabPane tabPane = new TabPane();
			tabPane.setDepthTest(DepthTest.ENABLE);
			tabPane.getTabs().add(
					TabBuilder.create().text("Tab 1").content(root).build());

			scene = new Scene(tabPane, 300, 300, true);
		} else {
			scene = new Scene(root, 300, 300, true);
		}

		scene.setCamera(new PerspectiveCamera());

		// basic rotate with mouse
		scene.setOnMouseDragged(new EventHandler<MouseEvent>() {
			@Override
			public void handle(MouseEvent event) {
				shapes.setRotationAxis(Rotate.X_AXIS);
				shapes.setRotate(event.getSceneY() % 360);
			}
		});
		return scene;
	}

	/**
	 * Start
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		Application.launch(TabPane3DProblems.class, (String[]) null);
	}
}